#1B458D Color

#1B458D is rgb(27, 69, 141) in RGB and hsl(218, 68%, 33%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B458D

HEX#1B458D

RGBrgb(27, 69, 141)

HSLhsl(218, 68%, 33%)

HSVhsv(218, 81%, 55%)

OKLCHoklch(40.5% 0.129 260.5)

CMYKcmyk(81%, 51%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B458D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.2:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.28:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B458D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B458D Complementary#8D631B Analogous#1B7E8D Analogous#2A1B8D Triadic#8D1B45 Triadic#458D1B

Tints & Shades

Lighter tints and darker shades of #1B458D, useful for hover states, backgrounds, and text variants.

Tints

#2258B4 #316ED8 #588ADF #7EA5E7 #A5C0EE #D0DEF6

Shades

#183D7C #14346B #112C5A #0D2145 #0A1933 #071122

Use #1B458D in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex